// Copyright (c) 2023 CINN Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once
#include <string>

#include "paddle/cinn/ir/ir.h"

namespace cinn {
namespace optim {

/**
 * Given Expr AST, analyze the range of N % M will return M - 1.
 * This function is used to replace the mod operation with max.
 *
 * Note: the replacement will change the semantics of the AST.
 * It is only used for analyze, not computing.
 */
void ReplaceModToMax(ir::Expr* expr);

}  // namespace optim
}  // namespace cinn
